body,html{
  background-color:#eee;
  margin: 0;
  padding: 0;
}

.title{
  color: darkorchid;
}

.img1{
    width: 100px;
    height: 100px;
    background: url('../imgs/img1.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
    flex: flex;
    backface-visibility: hidden;
}
.img2{
    width: 200px;
    height: 200px;
    background: url('../imgs/img2.jpg');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.img3{
    width: 300px;
    height: 300px;
    background: url('../imgs/img3.jpg');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}